<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="2.css">
</head>
<body>
    <textarea name="" id="massage" cols="30" rows="10">请输入留言。</textarea>
    <input type="button" value="确定">
    <ul class="messageBord">
    </ul>
    <script src="3.js"></script>
</body>
</html>